C programming

#include #include struct node { int data; node *next; }; class linklist { node *list,*nptr,*tptr; public:linklist() { list=NULL; } void newnode(int x); void link(); void showdata(); void delet(); }; void linklist::newnode(int x) { nptr=new node; nptr->data=x; nptr->next=NULL; } void linklist::link() { if(list==NULL) { list=nptr; tptr=nptr; } else { tptr->next=nptr; tptr=nptr; } } void linklist::delet() { int a; node *lptr; printf("\nDelete Number:"); scanf("%d",&a); tptr=list; while(tptr->data!=a) { lptr=tptr; tptr=tptr->next; } if(tptr->next==NULL) { delete(tptr); lptr->next=NULL; } else { lptr->next=tptr->next; delete(tptr); } } void linklist::showdata() { node *curptr; curptr=list; while(curptr!=NULL) { printf("%3d",curptr->data); curptr=curptr->next; } } int main() { clrscr(); int n,d,a; linklist mylist; printf("\nhow many node you have?"); scanf("%d",&n); printf("\nEnter deta:"); for(int i=0;i { printf("\nElement[%d]=",i+1); scanf("%d",&d); mylist.newnode(d); mylist.link(); } printf("\npress 1 for showdata:"); printf("\nPress 2 for delete:"); printf("\nEntar option:"); scanf("%d",&a); switch(a) { case 1:printf("Data in list:"); mylist.showdata(); break; case 2:mylist.delet(); mylist.showdata(); break; } getch(); return(0); }